ELKINGTON JOHN. (2008). POWER OF UNREASONABLE PEOPLE. HARVARD BUSINESS SCHOOL PRESS.
Chicagoスタイル(17版)引用形式ELKINGTON JOHN. POWER OF UNREASONABLE PEOPLE. BOSTON: HARVARD BUSINESS SCHOOL PRESS, 2008.
MLA(9版)引用形式ELKINGTON JOHN. POWER OF UNREASONABLE PEOPLE. HARVARD BUSINESS SCHOOL PRESS, 2008.
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